sakula | 0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c

General

Target

0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe
Size

36KB
MD5

ead9a38cd28a79a0a415ef09c137de56
SHA1

65ad2cbdb4f3664a60f8411206e194559189453d
SHA256

0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c
SHA512

4b0cf7bd8ad6b9fd60d1169c07c3c1d6a2dc49a0f729a0518a6abdd4e94a4153a612ec4c0cd94dec5d9b59196f4536a1ce4e61fefb7b5f959585557236b60835

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2684 MediaCenter.exe

pid	process
2684	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4140"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893028684831028"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.191457"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.846669"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4372"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.999160"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

452 PING.EXE

pid	process
452	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2196	0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.execmd.exe

description	pid	process	target process
PID 2196 wrote to memory of 2684	2196	0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe	MediaCenter.exe
PID 2196 wrote to memory of 2684	2196	0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe	MediaCenter.exe
PID 2196 wrote to memory of 2684	2196	0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe	MediaCenter.exe
PID 2196 wrote to memory of 1860	2196	0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe	cmd.exe
PID 2196 wrote to memory of 1860	2196	0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe	cmd.exe
PID 2196 wrote to memory of 1860	2196	0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe	cmd.exe
PID 1860 wrote to memory of 452	1860	cmd.exe	PING.EXE
PID 1860 wrote to memory of 452	1860	cmd.exe	PING.EXE
PID 1860 wrote to memory of 452	1860	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe
"C:\Users\Admin\AppData\Local\Temp\0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2684

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c1b86f6bbf6c3b61edb5ff4106db2c6f3bde3c24714994184cbb0f4613d7d4c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1860

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:452

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:792

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3668

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2184

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
ba8a871e127bb5c841fac7b617728f4b

SHA1
d24e58019b5d86f56cb8fa9e1d2c185ac0cfbb8d

SHA256
89ee80b78e6f526e4786bbc49c1b1c3c802eace5c64c4451bfbb846be5363bae

SHA512
fe4db82cd9aa69c7f31ac4780e29a324db0df5a47b324caa4b3bd8da5f09eaecea546b25aa15c5787def7a37d1477c389d39abb2493243a808b76d86d4322bc6

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
ba8a871e127bb5c841fac7b617728f4b

SHA1
d24e58019b5d86f56cb8fa9e1d2c185ac0cfbb8d

SHA256
89ee80b78e6f526e4786bbc49c1b1c3c802eace5c64c4451bfbb846be5363bae

SHA512
fe4db82cd9aa69c7f31ac4780e29a324db0df5a47b324caa4b3bd8da5f09eaecea546b25aa15c5787def7a37d1477c389d39abb2493243a808b76d86d4322bc6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads